Mk exercise を利用して解答と演習問題の整合性を自動的に保つ #13

	name: Test

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	on:
	pull_request:
	push:
	branches:
	- master
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v4

	- name: Install elan
	run: \|
	set -o pipefail
	curl https://raw.githubusercontent.com/leanprover/elan/master/elan-init.sh -sSf \| sh -s -- -y --default-toolchain none
	echo "$HOME/.elan/bin" >> $GITHUB_PATH

	- name: Cache .lake
	uses: actions/cache@v3
	with:
	path: .lake
	key: deps-${{ runner.os }}-${{ hashFiles('lean-toolchain') }}-${{ hashFiles('lake-manifest.json') }}-${{ github.sha }}
	restore-keys: \|
	deps-${{ runner.os }}-${{ hashFiles('lean-toolchain') }}-${{ hashFiles('lake-manifest.json') }}
	deps-${{ runner.os }}-${{ hashFiles('lean-toolchain') }}

	- name: get mathlib cache
	run: lake exe cache get

	- name: run 'lake build'
	run: lake build Solution

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